Weight & Payload Calculators

Stay legal with payload, axle distribution and overweight checks.

Free weight & payload calculators for van payload & legal weight

Quick, accurate tools to help you plan, size and budget the weight & payload side of your van conversion. Pick a calculator below to get started.

Total payload from passengers and gear vs vehicle GVW.

How many kilos you have left before you hit the limit.

Estimate how much your conversion adds to the kerb weight.

Front/rear axle load from item positions and wheelbase.

Quick legal check across GVW and per-axle limits.

Sizing your weight & payload correctly up front saves money, weight and time. Use these calculators before you buy components or commit to a layout.

Every formula is tuned for real campervan and motorhome use cases, with sensible defaults so you can get a useful answer in seconds.